x86: search PARTUUID in any block device

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

diff --git a/target/linux/x86/base-files/lib/upgrade/platform.sh b/target/linux/x86/base-files/lib/upgrade/platform.sh
index f12deebf6484df6f3f69e453ad67688a76d57972..29eac77dfb0ae52f241696f3f62dce7d16106b20 100644 (file)
--- a/target/linux/x86/base-files/lib/upgrade/platform.sh
+++ b/target/linux/x86/base-files/lib/upgrade/platform.sh
@@ -17,7 +17,8 @@ platform_export_bootpart() {
                        PARTUUID=[a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9]-02)
                                uuid="${disk#PARTUUID=}"
                                uuid="${uuid%-02}"
-                               for disk in /dev/[hsv]d[a-z] /dev/xvd[a-z]; do
+                               for disk in /dev/*; do
+                                       [ -b "$disk" ] || continue
                                        set -- $(dd if=$disk bs=1 skip=440 count=4 2>/dev/null | hexdump -v -e '4/1 "%02x "')
                                        if [ "$4$3$2$1" = "$uuid" ]; then
                                                export BOOTPART="${disk}1"